"Billionaire" is the debut lead single off Travie McCoy's first solo album Lazarus. The song was produced by The Smeezingtons which consists of Bruno Mars, Philip Lawrence and Ari Levine. Lyrically it's McCoy imagining what would happen if he became a billionaire. Brazilian singer Claudia Leitte covered the song, singing Bruno's verses in Portuguese. The song was retitled as "Famo$a" (Famous).